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container: Warn if an invalid widget path is created

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This makes it quite a bit easier to debug things.
This commit is contained in:
Benjamin Otte 2011-09-27 04:29:11 +02:00
parent 7724f14dfa
commit 276a9d7567
1 changed files with 13 additions and 1 deletions
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14
gtk/gtkcontainer.c
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@ -3377,9 +3377,21 @@ GtkWidgetPath *
gtk_container_get_path_for_child (GtkContainer *container, gtk_container_get_path_for_child (GtkContainer *container,
GtkWidget *child) GtkWidget *child)
{ {
GtkWidgetPath *path;
g_return_val_if_fail (GTK_IS_CONTAINER (container), NULL); g_return_val_if_fail (GTK_IS_CONTAINER (container), NULL);
g_return_val_if_fail (GTK_IS_WIDGET (child), NULL); g_return_val_if_fail (GTK_IS_WIDGET (child), NULL);
g_return_val_if_fail (container == (GtkContainer *) gtk_widget_get_parent (child), NULL); g_return_val_if_fail (container == (GtkContainer *) gtk_widget_get_parent (child), NULL);
return GTK_CONTAINER_GET_CLASS (container)->get_path_for_child (container, child); path = GTK_CONTAINER_GET_CLASS (container)->get_path_for_child (container, child);
if (gtk_widget_path_get_object_type (path) != G_OBJECT_TYPE (child))
{
g_critical ("%s %p returned a widget path for type %s, but child is %s",
G_OBJECT_TYPE_NAME (container),
container,
g_type_name (gtk_widget_path_get_object_type (path)),
G_OBJECT_TYPE_NAME (child));
}
return path;
} }